n. 'Just Another Girl With Issues'.
Term for a female, usually with low self-confidence, who commonly misinterprets situations and turns them against you. Her behaviour may indicate deeply embedded psychiatric issues.

Man: How about we go to the ice cream store and I can buy you a wafer (jk.)
JAGWI: Are you calling me fat?!

Man: How about you give me a blowjob?
JAGWI: That's disgusting - I will do it with a blueberry flavoured condom though.

Usage-
Bob (to his mate): You were lucky to get away with that mate, she was a total JAGWI